Windows Custodian Utility is a fake antivirus program that try to act like a legitimate antivirus such as Kaspersky Antivirus which can really protect our computer from viruses, malwares and torjan. However, Windows Custodian Utility cannot detect and remove any kind of viruses, malwares and trojan. Windows Custodian Utility will run automatically when Windows boot and will do a fake scan on the computer and will DEFINITELY state that the computer has been infected by many malwares, viruses and torjans. Then Windows Custodian Utility will shows pop ups to urge the user to purchase the full version of Windows Custodian Utility to remove all the detected threats. Do not buy Windows Custodian Utility, as it can do nothing. Windows Custodian Utility uses fake Microsoft Security Essentials Alerts to circulate.

Windows Custodian Utility can be removed by stopping the process [random].exe by Emsisoft HiJackFree and kill the file at the same time. Then, the user has to remove all the related files and registry entries added by Windows Custodian Utility (see removal guide below).